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117238 (2004 SQ17)
Classification: Main-belt Asteroid          SPK-ID: 2117238
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799057101730293 4.5768e-08  
a 2.579336513531171 1.6328e-08 au
q 2.115299146289121 1.1745e-07 au
i 11.36058245375423 5.0204e-06 deg
node 126.2938973463831 2.6704e-05 deg
peri 270.6364629342561 3.1309e-05 deg
M 164.1982753646866 2.0646e-05 deg
tp 2457910.376960274092
(2017-Jun-05.87696027)
8.292e-05 TDB
period 1513.074931813558
4.14
1.4368e-05
3.934e-08
d
yr
n .2379260884115681 2.2593e-09 deg/d
Q 3.043373880773222 1.9266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      6792 days (18.60 yr)  
   first obs. used      2000-09-25  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:18:38  

Additional Information
 Earth MOID = 1.15794 au 
 Jupiter MOID = 2.46777 au 
 T_jup = 3.375 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO436562  
diameter diameter 2.761 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117238 (2004 SQ17)          Discovered 2004-Sep-17 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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